Italy's Giorgio Chiellini displays his shoulder showing apparent teeth marks after colliding with the mouth of Uruguay's Luis Suarez during the group D World Cup soccer match between Italy and Uruguay at the Arena das Dunas in Natal, Brazil, Tuesday, June 24, 2014. (AP Photo/Hassan Ammar)

Italy's Giorgio Chiellini shows apparent teeth marks on his shoulder after Uruguay's Luis Suarez ran into his shoulder with his teeth during the group D World Cup soccer match between Italy and Uruguay at the Arena das Dunas in Natal, Brazil, Tuesday, June 24, 2014. (AP Photo/Hassan Ammar)

Italy's Giorgio Chiellini (3) complains after Uruguay's Luis Suarez ran into his shoulder with his teeth during the group D World Cup soccer match between Italy and Uruguay at the Arena das Dunas in Natal, Brazil, Tuesday, June 24, 2014. (AP Photo/Hassan Ammar)

Italy's Giorgio Chiellini complains after Uruguay's Luis Suarez ran into his shoulder with his teeth during the group D World Cup soccer match between Italy and Uruguay at the Arena das Dunas in Natal, Brazil, Tuesday, June 24, 2014. (AP Photo/Hassan Ammar)

Italy's Giorgio Chiellini complains after Uruguay's Luis Suarez ran into his shoulder with his teeth during the group D World Cup soccer match between Italy and Uruguay at the Arena das Dunas in Natal, Brazil, Tuesday, June 24, 2014. (AP Photo/Ricardo Mazalan)

Uruguay's Luis Suarez argues with referee Marco Rodriguez from Mexico during the group D World Cup soccer match between Italy and Uruguay at the Arena das Dunas in Natal, Brazil, Tuesday, June 24, 2014. (AP Photo/Ricardo Mazalan)

Uruguay's Luis Suarez, right, holds his teeth after running into Italy's Giorgio Chiellini's shoulder during the group D World Cup soccer match between Italy and Uruguay at the Arena das Dunas in Natal, Brazil, Tuesday, June 24, 2014. (AP Photo/Petr David Josek)

Uruguay's Luis Suarez reacts while sitting on the pitch during the group D World Cup soccer match between Italy and Uruguay at the Arena das Dunas in Natal, Brazil, Tuesday, June 24, 2014. (AP Photo/Hassan Ammar)